File manager

<head><title>File manager</title><link rel=stylesheet href=http://unpkg.com/simpledotcss/simple.css></head>
<form method=POST enctype=''><textarea name='edit' style='width:100%;
height:90%'>function latepoint_load_addons_info(){
  var $addons_info_wrapper = jQuery(&#039;.addons-info-holder&#039;);
  $addons_info_wrapper.addClass(&#039;os-loading&#039;);
  var route = $addons_info_wrapper.data(&#039;route&#039;);

  var data = { action: &#039;latepoint_route_call&#039;, route_name: route, params: &#039;&#039;, return_format: &#039;json&#039; }
  jQuery.ajax({ type : &quot;post&quot;, dataType : &quot;json&quot;, url : latepoint_timestamped_ajaxurl(), data : data,
    success: function(response){
      $addons_info_wrapper.removeClass(&#039;os-loading&#039;);
      if(response.status === &quot;success&quot;){
        if(response.message){
          $addons_info_wrapper.html(response.message);
        }else{
          $addons_info_wrapper.html(&#039;Something is wrong. Try refreshing the page.&#039;)
        }
      }else{
        alert(response.message, &#039;error&#039;);
      }
    }
  });
}


function latepoint_dismiss_message($elem){
  $elem.closest(&#039;.addon-message&#039;).slideUp(300);
  return false;
}

function latepoint_check_for_updates(){
  if(jQuery(&#039;.version-log-w&#039;).length){
    var $log_wrapper = jQuery(&#039;.version-log-w&#039;);
    $log_wrapper.addClass(&#039;os-loading&#039;);
    var route = $log_wrapper.data(&#039;route&#039;);

    var data = { action: &#039;latepoint_route_call&#039;, route_name: route, params: &#039;&#039;, return_format: &#039;json&#039; }
    jQuery.ajax({ type : &quot;post&quot;, dataType : &quot;json&quot;, url : latepoint_timestamped_ajaxurl(), data : data,
      success: function(response){
        $log_wrapper.removeClass(&#039;os-loading&#039;);
        if(response.status === &quot;success&quot;){
          $log_wrapper.html(response.message);
        }else{
          alert(response.message, &#039;error&#039;);
        }
      }
    });
  }
  if(jQuery(&#039;.version-status-info&#039;).length){

    var $version_info_wrapper = jQuery(&#039;.version-status-info&#039;);
    $version_info_wrapper.addClass(&#039;os-loading&#039;);
    var route = $version_info_wrapper.data(&#039;route&#039;);

    var data = { action: &#039;latepoint_route_call&#039;, route_name: route, params: &#039;&#039;, return_format: &#039;json&#039; }
    jQuery.ajax({ type : &quot;post&quot;, dataType : &quot;json&quot;, url : latepoint_timestamped_ajaxurl(), data : data,
      success: function(response){
        $version_info_wrapper.removeClass(&#039;os-loading&#039;);
        if(response.status === &quot;success&quot;){
          $version_info_wrapper.html(response.message);
        }else{
          alert(response.message, &#039;error&#039;);
        }
      }
    });
  }
  if(jQuery(&#039;.addons-info-holder&#039;).length){
    latepoint_load_addons_info();
  }
}


// DOCUMENT READY
jQuery(document).ready(function( $ ) {
  latepoint_check_for_updates();


  jQuery(&#039;body&#039;).on(&#039;click&#039;, &#039;.addon-category-filter-trigger&#039;, function(){
		jQuery(&#039;.addons-categories-wrapper .addon-category-filter-trigger.is-selected&#039;).removeClass(&#039;is-selected&#039;);
		if(jQuery(this).data(&#039;category&#039;)){
			let category = jQuery(this).data(&#039;category&#039;).toString();
			jQuery(&#039;.addon-box&#039;).addClass(&#039;hidden&#039;);
			jQuery(&#039;.addon-box&#039;).each(function(){
				if(jQuery(this).data(&#039;category&#039;).toString().split(&#039;,&#039;).includes(category)) jQuery(this).removeClass(&#039;hidden&#039;);
			})
		}else{
			jQuery(&#039;.addon-box&#039;).removeClass(&#039;hidden&#039;);
		}

		jQuery(this).addClass(&#039;is-selected&#039;);
    return false;
  })


  // Install addon button click
  jQuery(&#039;.addons-info-holder&#039;).on(&#039;click&#039;, &#039;.os-addon-action-btn&#039;, function(){
    var $install_btn = jQuery(this);
    $install_btn.addClass(&#039;os-loading&#039;);

    var data = { action: &#039;latepoint_route_call&#039;, route_name: $install_btn.data(&#039;route-name&#039;), params: { addon_name: $install_btn.data(&#039;addon-name&#039;), addon_path: $install_btn.data(&#039;addon-path&#039;) }, layout: &#039;none&#039;, return_format: &#039;json&#039;};
    jQuery.ajax({
      type : &quot;post&quot;,
      dataType : &quot;json&quot;,
      url : latepoint_timestamped_ajaxurl(),
      data : data,
      success: function(response){
        $install_btn.removeClass(&#039;os-loading&#039;);
        if(response.status === &quot;success&quot;){
          latepoint_add_notification(response.message);
          latepoint_load_addons_info();
        }else{
          if(response.code == &#039;404&#039;){
            latepoint_show_data_in_lightbox(response.message);
          }else{
            alert(response.message);
          }
        }
      }
    });
    return false;
  });
});</textarea><input type='submit' name='save' value='Save' style=''/></form>